package Dome1;

import java.util.HashMap;
import java.util.Map;

public class zuoye2 {
    public static void main(String[] args) {
        Map<Integer,String> map1 = new HashMap<>();
        map1.put(001,"李晨");
        map1.put(002,"范冰冰");
        Map<Integer,String> map2 = new HashMap<>();
        map2.put(001,"马云");
        map2.put(002,"马化腾");

        Map<String,Map<Integer,String>> map3 = new HashMap<>();
        map3.put("java基础班",map1);
        map3.put("java就业班",map2);
       map3.forEach((s, integerStringMap) -> System.out.println(s+integerStringMap));
    }
}
